Remember those beautiful pebble paths we wrote about recently? It turns out that they're just as beautiful if you build them at a 90-degree angle. Andreas Kunert and Naomi Zettl, a married artist duo based in Vancouver, create beautiful flowing wall...

Remember those beautiful pebble paths we wrote about recently? It turns out that they're just as beautiful if you build them at a 90-degree angle. Andreas Kunert and Naomi Zettl, a...